Amal used the tabular method to show her work dividing -2x3 + 11x2 – 23x + 20 by x2 – 3x + 4.
Amal's Work:
Quotient
2x
+ 5
x2 -2003 5x2
6x² + 5x²= 11x2
Divisor
3x 6,2
-15x
-8x + (-15x) = -23x
+4
-8x
20
Amal's
-2x3 + 11x2 – 23x + 20
= 2x + 5
x² – 3x+ 4
Which statement about Amal's work is true?
Amal's work is correct.
Amal's work is incorrect the wrong divisor is on the right side of the division table.
Amal's work is incorrect because it includes a positive two instead of negative two in the answer.
Amal's work is incorrect because the like terms in the division table do not simplify to the original polynomial.